问题 计算题
能简算的要简算
(1)165+165×99=(2)75+360÷20-5=(3)5.35-2.8-2.2=
(4)42×4×25=(5)3.02-2.5+0.98=(6)19.92+10.4-9.92=
答案

(1)原式=165×(99+1)

                =16500(2)原式=75-5+18

                =88(3)原式=5.35-(2.8+2.2)

                 =0.35

(4)原式=42×(4×25)

                =4200(5)原式=3.02+0.98-2.5

                =1.5(6)原式=19.92-9.92+10.4

                 =20.4

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