2 分数乘法
直接写得数.
×2.8 0.5÷0.01 2﹣1.4 2.5×12 2.3÷10%
125÷(0.25+
) 10.8﹣3.9﹣4.1 (12+
)÷3.
直接写结果.
×
=
÷
= 1111÷11= 4.6+4= 1÷12.5%=
= 102﹣33=
= 10.8﹣9.9﹣
= 0.9×9+0.9=
5.38﹣(1.8+2.38)= 121×29≈ 238÷41≈
= 2﹣2÷9=
=
用你喜欢的方法计算.
136×
2001×3.14+200.1×31.4+20.01×314
﹣[(
+
)×
] 333×334+999×222
1.25×17.6+36.1÷0.8+2.63×12.5
÷(
+2.5×
)
直接写出得数
(1)30﹣19.02= (2)3.125+1
= (3)0.4×0.4= (4)1÷0.1×1÷0.1=
(5)1﹣0.94+0.66= (6)5.6×
= (7)402= (8)(
+
)×18=
直接写出得数.
7.2+2.8=
8﹣2.5=
0.3+0.6=
0.32+0.8=
2×
=
15×
= 1﹣0.52= 1÷
=
+
= 16×
=
+0= 2.5×4=
﹣
= 1﹣
=
×5=
直接写出得数.
1.2﹣0.12= 1.25×0.16=
×
= 3÷20%= 3÷8+
=
﹣
﹣
= 3÷
﹣
÷3= 7×
÷7×
= 0.99+0.99×99=
(1)2.2+0.8=
(2)6÷
×
=
(3)0.3×
×3=
(4)25÷
=
(5)1÷125%=
(6)0×
=
(7)3.2×125×25=
(8)222+78=
直接写出得数.
7.8﹣5.8= 3.876﹣
= 35×20%= 2.4÷0.1﹣0.1=
0.035×
= 0.53+100= 1÷8×1÷8= 9.98﹣(1.98+1.2)=
直接写得数.
7.8﹣5.8= 6.3÷0.1= 350×0.02= 910÷70= 9300÷5÷6=
87+87÷87= 1÷101﹣101÷1=
×
= 4.5﹣
= 1+
÷
+1=
直接写数对又快!
0×0.2=
9﹣0.9=
﹣
=
10.75+2.5﹣10.75=
72÷0.4= 24÷
= 13×
=
÷
=
15×
= 0.87×100=
÷
= 1÷
×
=
直接写得数
4.8﹣3.09 3.6×
198+397 1.25×0.8﹣1%
6.7+3 1÷1
3.5×
+
×
÷
×
3.6×99 2.4×5 (3.6+7.2)÷0.9 5﹣4÷
7.2÷0.04 5.1×
0.375﹣
367﹣198.





= 1÷
×
=
×3= 13.5×101﹣13.5=
×7=
×
= 5﹣
=
×
=
+
×
=
的积一定小于a .
×14= 36×
= 1÷
=
×
×6=
×
= 11﹣
= 23×52=
×54.
﹣
=
×
=
÷1+
×
= (
)×6= 6.5×4×
=
×4÷
= 1÷0.125﹣8=
×
÷
= 10×
=
= 0.23=
=
=
=
= 45÷25÷4=
;
;
;
.
﹣
=
+
=
+
﹣
÷6= 5﹣
+
=
×25= 12.5×32×2.5=
=
=
= 2.5×13×4= 4×
÷4×
×
= 4.5﹣
= 1+
÷
=
﹣
= 5×5%=
﹣
+
=
÷2÷
= 3π﹣0.5=
+
= 3.39÷339=
×
= 1.8+2%=
×
×7= 1﹣
﹣
= 1.5×
=
= 7.2+0.8= 2.8×0.25=
= 13÷39=.
=
×
=
=
:
=
﹣
=
=
=
=
= 10÷10%=
=
=
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