分數(shù)乘除法簡便運算100題(有答案)
分數(shù)乘除法簡便運算100題
(1)(89 +427 )×3 ×9 (2)(38 - 38 )× 615
(3) 16 ×(7 - 23 ) (4) 56 ×59 + 59 × 16
(5)29 ×34 +527 × 34 (6) 613 ×75 - 613 × 2
5 (7) 712 ×
6 - 5
12 × 6 (8)38 +38 ×47 +38 ×37
(9) 37× 335 (10) 6
25 × 24 (11)1521 ×34 + 1021 ×34 - 34 (12)710 ×101- 710
(13) 89 ×89 —89 ×89 (14) 35 × 99 + 3
5
(15) ( 47 + 89 )×7 ×9 (16)34
5 ×25
(17) 36×3435 (18) ( 56 - 59 )×18
5
(19)262
3 × 15 (20)3225 ×56
(21) ??? ??+÷5121101 (22) 5
7535÷??? ??
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