怎样简便怎样算.
(1)16﹣5.32﹣4.68
(2)7.29×4.6+4.6×12.71
(3)3.4﹣0.15×2.6
(4)1.25×2.5×3.2
(5)40.4÷(0.5+7.5)
(6)[(8.1﹣5.6)×0.9﹣1]×0.4.
直接写得数.
0.25×40= 10.6﹣5.02= += ﹣=
7.6÷0.38= ×= 2﹣+= 2.8×25+1.2×25=
脱式计算
0.24×6.5÷0.375
(1﹣0.375)×(36÷0.75)
[200×(3.2+1.1)]÷25
21.28﹣21.28÷7×3
脱式计算(怎样简便就怎样算)
(+)×3.6 3.7×+1.3÷ 4﹣﹣
2﹣÷﹣ ×+× 16÷(1+)
脱式计算
①0.125×3.2×0.5
②8.25+56÷32﹣1.25
③5.42×7.6+3.4×5.42﹣5.42
④2.5×(6.2﹣2.6)×0.4
⑤15.6÷[(20.75﹣4.5)×0.4].
直接写出得数.
57÷1.9= |
2.5×0.4= |
6.3÷9= |
7.6+0.6= |
10.5﹣5= |
200×0.5= |
4÷80= |
0.45÷0.3= |
4﹣0.9= |
3.7+6.4= |
0÷3.7= |
12.5×80= |
180×6= |
42×5= |
8.97+1.03= |
120﹣25×4= |
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= |
计算下面各题,能简便计算的要简便计算.
5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
2.5×6.8×0.4 |
5.6﹣36÷30 |
0.72+9.6÷3.2 |
7.75×[20÷(3.24﹣3.04)]. |
试题篮
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