问题
解答题
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答案
(1)69×5=345
69 × 5
;. 345
(2)80×54=432
54 × 80
;. 4320
(3)9×13=117
13 × 9
;. 117
(4)128×9=1152
128 × 9
;. 1152
(5)206×8=1648
206 × 8
;. 1648
(6)15×5×50
=75×50
=3750;
(7)44×4+6
=176+6
=182;
(8)(710+230)×8
=940×8
=7520;
(9)(330+230)÷8
=560÷8
=70;
(10)(540-370)×6
=170×6
=1020;
(11)33×8÷6
=264÷6
=44;
(12)745+625÷5
=745+125
=870.