问题
计算题
递等式计算。(能简算的要简算)
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答案
(1)原式=8.3+1.7+6.2
=16.2
=(96+4)×8
=800
=70-18.9
=51.1
(4)原式=25×4×87
=8700
=1032
=26-20
=6
(7)原式=6.75-(2.9+3.1)
=0.75
=10000
=125×8×110
=110000
(10)原式=23.61-3.61+5.7
=25.7
= 4500