问题 解答题
计算下面各题,能简算的请简算.
95.6×1.8+0.18×44
87.5÷12.5÷8
0.125+3.7×
1
8
+
1
8
×5.3
0.25×64×1.25
83×101
7.7×7+7.7+2×7.7.
答案

(1)95.6×1.8+0.18×44

=956×0.18+0.18×44

=(956+44)×0.18

=1000×0.18

=180;

(2)87.5÷12.5÷8

=87.5÷(12.5×8)

=87.5÷100

=0.875;

(3)0.125+3.7×

1
8
+
1
8
×5.3

=

1
8
×(1+3.7+5.3)

=

1
8
×10

=1.25;

(4)0.25×64×1.25

=0.25×8×8×1.25

=(0.25×8)×(8×1.25)

=2×10

=20;

(5)83×101

=83×(100+1)

=83×100+83×1

=8300+83

=8383;

(6)7.7×7+7.7+2×7.7

=7.7×(7+1+2)

=7.7×10

=77.

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