直接写得数.3.6+5.4=650-100=0.008×1000=70÷0.01=2.8×0.5=25÷14=8.1÷0.03=35+3=516×815=79-13=1÷35=712×914=13+56+23=45×0.25=35-0.6=1-7%=
直接写得数. 3.6+5.4= | 650-100= | 0.008×1000= | 70÷0.01= |
2.8×0.5= | 25÷= | 8.1÷0.03= | +3= |
×= | -= | 1÷= | ×= |
++= | ×0.25= | -0.6=1-7%= |
直接写得数. 3.6+5.4= | 650-100= | 0.008×1000= | 70÷0.01= |
2.8×0.5= | 25÷= | 8.1÷0.03= | +3= |
×= | -= | 1÷= | ×= |
++= | ×0.25= | -0.6=1-7%= |
直接写得数. 3.6+5.4= | 650-100= | 0.008×1000= | 70÷0.01= |
直接写得数. 3.6+5.4= | 650-100= | 0.008×1000= | 70÷0.01= | 2.8×0.5= | 25÷= | 8.1÷0.03= | +3= |
2.8×0.5= | 25÷= | =1 |
1 | 4 |
4 | 8.1÷0.03= | +3= | +3=3 |
3 | 5 |
5 | ×= | -= | 1÷= | ×= |
×= | ×=5 |
5 | 16 |
16 | =8 |
8 | 15 |
15 | -= | -=7 |
7 | 9 |
9 | =1 |
1 | 3 |
3 | 1÷= | =3 |
3 | 5 |
5 | ×= | ×=7 |
7 | 12 |
12 | =9 |
9 | 14 |
14 | ++= | ×0.25= | -0.6=1-7%= |
++= | ++=1 |
1 | 3 |
3 | +=5 |
5 | 6 |
6 | =2 |
2 | 3 |
3 | ×0.25= | ×0.25=4 |
4 | 5 |
5 | -0.6=1-7%= | -0.6=1-7%=3 |
3 | 5 |
5 |
答案和解析
3.6+5.4=9, | 650-100=550, | 0.008×1000=8, | 70÷0.01=7000, |
2.8×0.5=1.4, | 25÷=100, | 8.1÷0.03=270, | +3=3, |
×=, | -=, | 1÷=, | ×=, |
++=1, | ×0.25=, | -0.6=0,1-7%=0.93. |
3.6+5.4=9, | 650-100=550, | 0.008×1000=8, | 70÷0.01=7000, |
3.6+5.4=9, | 3.6+5.4=9,
650-100=550, | 650-100=550,
0.008×1000=8, | 0.008×1000=8,
70÷0.01=7000, | 70÷0.01=7000,
2.8×0.5=1.4, | 25÷=100, | 8.1÷0.03=270, | +3=3, |
2.8×0.5=1.4, | 2.8×0.5=1.4,
25÷=100, | 25÷
=100,1 |
1 | 1
4 |
4 | 4=100,
8.1÷0.03=270, | 8.1÷0.03=270,
+3=3, | +3=3,3 |
3 | 3
5 |
5 | 5+3=3
,3 |
3 | 3
5 |
5 | 5,
×=, | -=, | 1÷=, | ×=, |
×=, | ×=,5 |
5 | 5
16 |
16 | 16×
=,8 |
8 | 8
15 |
15 | 15=
,1 |
1 | 1
6 |
6 | 6,
-=, | -=,7 |
7 | 7
9 |
9 | 9-
=,1 |
1 | 1
3 |
3 | 3=
,4 |
4 | 4
9 |
9 | 9,
1÷=, | 1÷
=,3 |
3 | 3
5 |
5 | 5=
,5 |
5 | 5
3 |
3 | 3,
×=, | ×=,7 |
7 | 7
12 |
12 | 12×
=,9 |
9 | 9
14 |
14 | 14=
,3 |
3 | 3
8 |
8 | 8,
++=1, | ×0.25=, | -0.6=0,1-7%=0.93. |
++=1, | ++=1,1 |
1 | 1
3 |
3 | 3+
+=1,5 |
5 | 5
6 |
6 | 6+
=1,2 |
2 | 2
3 |
3 | 3=1
,5 |
5 | 5
6 |
6 | 6,
×0.25=, | ×0.25=,4 |
4 | 4
5 |
5 | 5×0.25=
,1 |
1 | 1
5 |
5 | 5,
-0.6=0,1-7%=0.93. | -0.6=0,1-7%=0.93.3 |
3 | 3
5 |
5 | 5-0.6=0,1-7%=0.93.
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