直接写出得数.
7.2÷4=10.5-1.05=2.4×1.01=2.4×1.5×0=0.36÷0.9=
2
51
×3×17=
1÷0.2=10×0.1%=
2
3
-
1
2
=
7
4
-
7
4
×
2
3
=
直接写得数.
2.5×0.4=5.7-3.04=1-35%=
8
5
×15=
1
6
÷
5
12
=
3
4
+
2
6
=
468÷12=3.75÷0.25=
5×他.8的意义是______,
他.8÷5的意义是______.
0.9×0.08=6+14.4=24÷0.04=3.2×7÷3.2×7=
0÷3.8=0.77+0.33=7÷1.4=187.7×11-187.7=
7.2÷8×4=400÷125÷8=
3
7
÷3×
1
7
=
(
1
4
-
1
6
)×12=
1-
5
8
÷62.5%
=
2.34-2.3=1.9×4×0.5=67.5+0.25=
直接写得数
0.8×0.6=
2-
7
11
=
23
25
=
5
8
×
4
15
=
7.2÷8×4=3.25×4=3.3-0.7=0.9+99×0.9=
3
7
=
1
3
+
2
5
=
1
4
+
1
4
-
1
4
+
1
4
=
(0.18+0.9)÷9=
直接写出得数.
0.2×0.04=0.24÷0.3=0.45÷0.5=4.5+3.5×3=
0.43×3=3.6÷0.01=0.12+0.8=0.8×1.25=
直接写得数
0.24×5=
1
3
×
1
4
=
0.3÷6=1.25×0.7×8=
1
8
=
6-3
1
8
=
3
4
÷
3
8
=
5-0.25-0.75=
(1)6×0.3=(2)0.5÷
1
7
=
(3)
1
4
-
1
5
=
(4)15×0.4=
(5)1.6×
3
4
=
(6)12÷
2
3
=
(7)36×
1
4
=
(8)
5
9
÷1
=
直接写出得数
3.14×22=
4
5
÷2=
3.14×40=5×20×3.14=
9.42÷3.14=
1
14
=
1
8
=
0.9-0.26=
18
6
7
÷6=
0.25×12=1.2÷0.01=6
3
4
+0.25=
列式计算.
(1)10减去6除1.5的商,所得的差乘6,积是多少?
(2)15的
2
3
比一个数的4倍少12,这个数是多少?
(3)
5
9
的倒数去除9的
1
2
,商是多少?