(广州)用简便方法计算
(1)8.37﹣3.25﹣(1.37+2.25)(2) 3.375÷5﹣× (3)9÷13+13÷9+11÷13+14÷9+6÷13
(4)9966×6+6678×18(5) (6)3762÷38+82917÷83
竖式计算。
15.78+2.45=
33.4﹣9.48=
13.1+120.95=
100﹣19.2=
列竖式计算。
⑴4.5﹣2.6= |
⑵3.7+5.8= |
⑶9.1+5.6= |
⑷45.3﹣32.7= |
⑸856÷8= |
⑹100﹣29.6= |
⑺83×46= |
⑻13.1﹣2.3= |
⑼34×76= |
我用竖式算一算。
3.4+1.5= |
6.8﹣2.1= |
4.2+5.3= |
9.8﹣6.7= |
7.6+2.4= |
15﹣2.3= |
用简便方法计算。
(1)5.85+1.89+2.15
(2)24.8+14.6+15.4
(3)42.5﹣22.17﹣7.83
(4)3.8+1.37+6.2+12.63
用竖式计算,并进行验算。
(1)5.46+4.72= |
(2)105.5﹣5.94= |
(3)5.8+55.33= |
(4)12.05+0.57= |
(5)4.952+6.25= |
(6)8.05﹣0.57= |
竖式计算。
⑴6+1.4= |
⑵1.25+12.7= |
⑶6.2﹣3.9= |
⑷5+2.3= |
⑸8.4﹣7.5= |
⑹1.10﹣0.3= |
很快算出得数。
⑴5+0.4= |
⑵1.4+2.7= |
⑶8.2+3.7= |
⑷5+2.4= |
⑸1.8﹣2.7= |
⑹7.3+0.9= |
⑺2+5.3= |
⑻2.0+1.8= |
⑼5.7+2.8= |
⑽6+2.2= |
⑾1.5+8.5= |
⑿7.4+1.6= |
⒀5﹣6.5= |
⒁3.2﹣2.3= |
⒂4.2﹣2.2= |
⒃2﹣2.3= |
列式计算
(1)比0.32的5倍少3个0.5的数是多少?
(2)3.24与0.11的和乘以4,积是多少?
(3)7个0.245是多少?
能简算的要简算.
⑴3.4×12.5×0.15×8×2 |
⑵1.25×4.6×8 |
⑶3.14×9+3.14 |
⑷4.5×2.6+4.5×7.4 |
⑸125×0.74×0.08 |
⑹2.86×0.5×4.6. |
列竖式计算
⑴4.2×0.8 |
⑵1.5×62 |
⑶2.7×0.11 |
⑷6.22×2.5 |
直接写得数.
⑴12.5×8= |
⑵6.4+4.6= |
⑶4.4×20= |
⑷4.18×1000= |
⑸6﹣0.7= |
⑹0.04×0.3= |
⑺3﹣2.01= |
⑻6.2+0.04= |
计算下面各题,能简算的要简算.
⑴0.9+1.08+0.92+0.1
⑵32.54﹣10.46﹣4.54
⑶18.73+3.85﹣2.73
⑷45.6﹣(83.7﹣78.8)
用竖式计算并验算.
⑴5.84+26.36=
⑵10.25﹣9.68=
⑶20﹣12.39=
⑷15.8+16.28=
试题篮
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