计算下列各题,怎样简便就怎样算.
18.8×0.96÷(5.4÷0.9) 2.8×3.6+1.4×2.8
78.7﹣1.25﹣1.75 72÷0.8﹣16×0.5.
用递等式计算(能简算的要简算)
(1)13.56﹣0.56×6.8
(2)1.25×0.96×8
(3)4.85×3.9+6.1×4.85
(4)7.8÷[1÷(1.1﹣1.09)]
(5)8.56+10.35﹣2.56+8.65.
计算下面各题,怎样简便就怎样算.
①1.29+3.7+0.71+6.3 ②19×96+962÷74
③400﹣(1300÷65+35) ④23.4﹣8.54﹣1.46
⑤6.75+0.5﹣4.86 ⑥19×36﹣36×9
⑦425÷25+575÷25 ⑧(320+280)÷50×4
⑨(117+43)×(84÷7)
计算下面各题,能简算的要简算
8.4×0.26+0.74;
5.5×13.3+6.7×5.5;
12.5÷2.5÷0.4;
0.8(3.2﹣2.99÷2.3).
递等式计算:(能用简便方法计算的要用简便方法计算)
0.11×1.8+8.2×0.11
0.8×(3.2﹣2.99÷2.3)
3.5﹣3.5×0.98
12.5×2.5×3.2
(8.1﹣5.4)÷3.6+85.7.
脱式计算,能简算的要简算.
(1)(25﹣0.2)÷(1÷0.25)
(2)1.5×[4+15.6÷(1.65﹣0.35)]
(3)90.45﹣32.44﹣6.89×4
(4)1.2×6.08+3.92×(6÷5)
直接写得数.
4.5×10.1×2= 7.8+13.6+2.2= 7.25×1.3÷7.25=
(4.2﹣0.17)×(2.1﹣2.1)= 300.3+30.03+3.003= 8.8×0.125=
能简便的用简便方法计算.
600÷25÷4 156×63+156×36
40×13×0.25 14.27﹣9.62﹣4.38
4.57×0.39+5.43×0.39 4.9×99+4.9
计算下面各题,能用简便算法的用简便算法.
①3871﹣(1080﹣740)×7 ②5175÷207+102×9
③0.9+1.08+0.92+0.1 ④13.59﹣6.91﹣0.09
⑤983×(3.8+2.2)+0.237×1000 ⑥0.8×(35+65)×5÷100
⑦30﹣[17.8+(6.2+38÷10)].
脱式计算,能简算的要简算:
46.5×99+46.5;
4.85×1.25×8;
(455﹣12.5×4)÷8.1;
39÷0.125÷0.8.
计算下面各题.能简便的用简便方法计算
4.05÷0.5+10.75
21.6÷0.8﹣1.2×5
6.8×2.7+2.7×3.2
8.4×6.9÷(6.44﹣4.14)
0.38×102
4.8×0.27+0.52×2.7.
请脱式计算,能简算的要简算
4.85+3.62+1.38+5.15 [16.7﹣(6.2+9.5)]×8.3
3.25÷0.25+1.75÷0.25 10.52﹣(3.52﹣1.7)
试题篮
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