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（79-13）×（79+23）；66×（811+533+722）；334×0.75+6.25×75%；23×15+76÷5+20%．
题目详情
（
-
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
-
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 9 9
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
1 1 3 3
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 9 9
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
2 2 3 3
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
8 8 11 11
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
5 5 33 33
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 22 22
×0.75+6.25×75%； 23×
+76÷5+20%．
3 3 4 4
+76÷5+20%．
1 1 5 5
| 7 |
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| 1 |
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▼优质解答
答案和解析
（1）（
-
）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 79 9 9-
）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 13 3 3）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 79 9 9+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
2 2 23 3 3）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
4 4 49 9 9×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
13 13 139 9 9
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
52 52 5281 81 81；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
8 8 811 11 11+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
5 5 533 33 33+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 722 22 22）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
8 8 811 11 11+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
5 5 533 33 33+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 722 22 22
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
3 3 34 4 4×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+
=（23+76+1）×
=100×
=20．
1 1 15 5 5
=（23+76+1）×
=100×
=20．
1 1 15 5 5
=100×
=20．
1 1 15 5 5
=20．
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=20．
看了 （79-13）×（79+23...的网友还看了以下：
9x-2.7=1.86x+0.2*7=25.43x+2x=12.548-5x=20.5(解方程）简 2020-04-07 …
一、右面6个分数算式中,3/5+5/20,3/6+6/20,3/7+7/20,3/8+8/20,3 2020-05-22 …
有理数的!1.(-6.91)*40+6.91*(-60)2.6.3*(-1/9)*(-3右4/7) 2020-06-11 …
运算简化1.25*（-4）*（-25）*815*[1/3+2+（-2/3)]25*(-3)+25* 2020-07-13 …
分数算式中3/5+5/20,3/6+6/20,3/7+7/20,3/8+8/20,3/9+9/20 2020-07-30 …
分数算式中3/5+5/20,3/6+6/20,3/7+7/20,3/8+8/20,3/9+9/20 2020-07-30 …
第一题：1/2+6/5+12/11+20/19+.+90/89+110/109第二题：1+2又6/1 2020-10-30 …
拖试39分之5×26=45÷15分之7=3分之2÷6×8分之3=(18+7分之6)÷39分之5×26 2020-11-08 …
直接写得数47÷7=20×40=420÷6=50-40÷2=16×20=25×4=18+26=20+ 2020-11-19 …
2012年春分日，我国甲、乙、丙、丁死地的日出时间（北京时间）分别为5：20、6:20、7:20、8 2020-12-07 …