直接写得数.427+527=58-18=910+910=0.7×8=0.56÷1.4=7.5×0.2=0.56÷1.4=20.5÷0.5=5÷25=0.2×0.4=2÷0.5=2.6+2.4×2=
直接写得数. += | -= | += | 0.7×8= | 0.56÷1.4= | 7.5×0.2= |
0.56÷1.4= | 20.5÷0.5= | 5÷25= | 0.2×0.4= | 2÷0.5= | 2.6+2.4×2= |
+= | -= | += | 0.7×8= | 0.56÷1.4= | 7.5×0.2= |
0.56÷1.4= | 20.5÷0.5= | 5÷25= | 0.2×0.4= | 2÷0.5= | 2.6+2.4×2= |
+= | -= | += | 0.7×8= | 0.56÷1.4= | 7.5×0.2= |
+= | +=4 |
4 | 27 |
27 | =5 |
5 | 27 |
27 | -= | -=5 |
5 | 8 |
8 | =1 |
1 | 8 |
8 | += | +=9 |
9 | 10 |
10 | =9 |
9 | 10 |
10 | 0.7×8= | 0.56÷1.4= | 7.5×0.2= | 0.56÷1.4= | 20.5÷0.5= | 5÷25= | 0.2×0.4= | 2÷0.5= | 2.6+2.4×2= |
0.56÷1.4= | 20.5÷0.5= | 5÷25= | 0.2×0.4= | 2÷0.5= | 2.6+2.4×2= |
答案和解析
+=, | -=, | +=, | 0.7×8=5.6, | 0.56÷1.4=0.4, | 7.5×0.2=0.15, |
0.56÷1.4=0.4, | 20.5÷0.5=41, | 5÷25=0.2, | 0.2×0.4=0.08, | 2÷0.5=4, | 2.6+2.4×2=7.4. |
+=, | -=, | +=, | 0.7×8=5.6, | 0.56÷1.4=0.4, | 7.5×0.2=0.15, |
+=, | +=,4 |
4 | 4
27 |
27 | 27+
=,5 |
5 | 5
27 |
27 | 27=
,1 |
1 | 1
3 |
3 | 3,
-=, | -=,5 |
5 | 5
8 |
8 | 8-
=,1 |
1 | 1
8 |
8 | 8=
,1 |
1 | 1
2 |
2 | 2,
+=, | +=,9 |
9 | 9
10 |
10 | 10+
=,9 |
9 | 9
10 |
10 | 10=
,9 |
9 | 9
5 |
5 | 5,
0.7×8=5.6, | 0.7×8=5.6,
0.56÷1.4=0.4, | 0.56÷1.4=0.4,
7.5×0.2=0.15, | 7.5×0.2=0.15,
0.56÷1.4=0.4, | 20.5÷0.5=41, | 5÷25=0.2, | 0.2×0.4=0.08, | 2÷0.5=4, | 2.6+2.4×2=7.4. |
0.56÷1.4=0.4, | 0.56÷1.4=0.4,
20.5÷0.5=41, | 20.5÷0.5=41,
5÷25=0.2, | 5÷25=0.2,
0.2×0.4=0.08, | 0.2×0.4=0.08,
2÷0.5=4, | 2÷0.5=4,
2.6+2.4×2=7.4. | 2.6+2.4×2=7.4.
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