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六年级简便运算题50道 2.5×7.2×3×4简便运算是多少?
2.5×7.2×3×4简便运算是多少? 2.5×7.2×3×4简便运算是多少?=((2.5×4)×7.2)×3=(10×7.2)×3=72×3=2167.5*4.7+15.9*2.5的简便运算是多少=
2.5×7.2×3×4简便运算是多少?
2.5×7.2×3×4简便运算是多少?
=((2.5×4)×7.2)×3
=(10×7.2)×3
=72×3
=216
7.5*4.7+15.9*2.5的简便运算是多少
=7.5×4.7+5.3×3×2.5
=7.5×4.7+7.5×5.3

=7.5×(4.7+5.3)
=7.5×10
=75
125×(80-2)简便运算是多少
125x(80-2)
=125x80-125X2
=10000一250
=99750
3.7×59 37×6点4-3点7×23的简便运算是多少
3.7×59+37×6.4-3.7×23
=3.7×59+3.7×64-3.7×23
=3.7×(59+64-23)
=3.7×100
=370
7.2×2.5-15.45简便运算
7.2×2.5-15.45
=7.2*10/4-15.45
=19-15.45
=3.55
56×17/50简便运算是多少
56×17/50简便运算是多少
56×17/50
=28*17/25
=476/25
直接约分计算即可
答
1.6×7.41×0.25×5的简便运算是多少?
=(4x0.25)×(0.4x5)×7.41将1.6分成4和0.4分别乘0.25和5
=1×2×7.41
=2×7.41
=14.82
432-432-52的简便运算是多少
答:432-432-52
=0-52
= - 52
51.27-8.03-1.34的简便运算是多少?
51.27-8.03-1.34
=51.27-(8.03+1.34)
=51.27-9.37
=41.9
23.36-12.8+3.2的简便运算是多少
23.36-12.8+3.2
=23.36+3.2-12.8
=26.56-12.8
=13.76
很赞哦! (1236)