三年级练习题速算与巧算(八十七)(2)
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2018-11-13 11:38:16
【答案】
798÷125+202÷125(7)432÷(8×9)
=(798+202)÷125 =432÷8÷9
=1000÷125 =54÷9
=8 =6
【答案】
798÷125+202÷125(7)432÷(8×9)
=(798+202)÷125 =432÷8÷9
=1000÷125 =54÷9
=8 =6