3.7×0.15+4.02的简便运算
3.7×0.15+4.02的简便运算
3.7×0.15+4.02
=(4-0.3)×0.15+4.02
=4×0.15-0.3×0.15+4.02
=0.6-0.045+4.02
=0.555+4.02
=4.575
3.7×0.15+4.02的简便运算
3*0.15+0.7*0.15+4.02, 这样口算就可以了吧。
简便计算:~3.7乘以0.15+4.02= ~4.8-4.8乘以0.5=
3.7乘以0.15+4.02=3.7*3*0.05+4.02=11.1*0.05+4.02=0.111+4.02=4.121
4.8-4.8*0.5=4.8*(1-0.5)=4.8*0.5=2.4
简便计算:3.7乘以0.15+4.02=/4.8-4.8乘以0.5
3.7*0.15-4.02=(4-0.3)*0.15+4.02=0.6-0.045+4.02=4.17
4.8-4.8*0.5=4.8(1-0.5)=4.8*0.5=2.4
2.6*4.02的简便运算
2.6*4.02
=2.6x4+2.6x0.02
=10.4+0.052
=10.452
4088÷56
=511x8÷(7x8)
=511÷7
=73
4.02-3.5+0.98简便运算。
4.02-3.5+0.98的简便运算:
4.02 - 3.5 + 0.98
=(4.02 + 0.98) - 3.5
=5 - 3.5
=1.5
32×0.15的简便运算
32×0.15=4.8
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4.2+3.5-4.02+3.5简便运算
4.2+3.5-4.02+3.5
=(4.2-4.02)+3.5+3.5
=0.18+7
=7.18
4.02一3.5十0.98的简便运算
(4.02—0.02)—3.5(0.980.02)
=4—3.51
=1.5
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