3.7x4.6+3.7+4.4x3.7的简便运算
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3.7x4.6+3.7+4.4x3.7
=3.7×(4.6+1+4.4)
=3.7×10
=37
咨询记录 · 回答于2022-04-14
3.7x4.6+3.7+4.4x3.7的简便运算
3.7x4.6+3.7+4.4x3.7=3.7×(4.6+1+4.4)=3.7×10=37
亲,用乘法分配律就可以了[比心]
5.6与3.8的和,处于他们的差,积是多少?
(5.6+3.8)÷(5.6-3.8)=9.4÷1.8=49/9
(5.6+3.8)÷(5.6-3.8)=9.4÷1.8=47/9
亲,是47/9
(60一(9.5+28.9))÷0.18
(60一(9.5+28.9))÷0.18=(60-38.4)÷0.18=21.6÷0.18=120
8.5+(5.6-4.8)x13
8.5+(5.6-4.8)x13=8.5+0.8×13=8.5+40.4=48.9
0.65×6.4-6.5x0.54+65×0.09
0.65×6.4-6.5x0.54+65×0.09=6.5×0.64-6.5×0.54+6.5×0.9=6.5×(0.64-0.54+0.9)=6.5×1=6.5
谢谢,爱你
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