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.