问题 口算题
算一算。
(1)653-82-118(2)653-(82+118)
(3)354-54-46(4)354-(54+46)
(5)926+38+174+162(6)(926+174)+(38+162)
答案

(1)原式=653-(82+118)

                = 453(2)原式=653-200

                = 453

(3)原式=354-(54+46)

                =254(4)原式=354-100

                =254

(5)原式=926+174+(38+162)

                =1300(6)原式=1100+200

                =1300

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