六年级简便运算 100 题29×9863 36 × 64 42 3 4 × 4 7 11 27 × 54 44 7 9 × 18 14 3 2 × 8 3 10 7 × 21 5 15 13 × 39 25 17 25 × 45 34 4 39 × 13 16 3 × 27 51 4 39 × 13 16 3 × 21 7 8 39 × 13 72 5 18 × 6 25 5 3 × 6 10 9 2 × 14 15 55 8 × 72 11 7 16 × 8 35 13 13 × 14 14 5 3 1 + + 6 4 3 2 5 1- - 7 7 4 5 7 1 + + + 11 9 11 9 9 2 7 1 × × 10 3 20 5 3 3 × 8 8 3 3 + 8 8 3 3 7 + - 5 10 20 7 5 5 - + 8 12 6 19 2 1 - + 28 7 14 11 7 1 -( - ) 13 10 2 9 2 1 + - 10 3 5 7 5 2 + - 15 12 15 15 1 1 - - 16 4 8 5 5 2 + - 9 6 3 4 5 -( 3 1 - ) 8 6 13 1 8 8 3 1 - - - - 25 8 25 9 8 8 3 15 1 1 5 5 2 + - - - + 4 28 4 28 7 14 7 3 5 8 1 + + + 11 8 11 8 5 8 5 9 + - + 7 17 7 17 3 1 5 + + 8 5 8 11 7 8 1 + + - 19 18 19 18 13 4 1 + + 15 9 3 3 3 + ×99 4 4 2.5×39+2.5×60+2.5 12.5×2.5×32 337.5×2.5+25×66.35-250×0.01 16 5 × 3× 5 4 7 5 24× × 8 3 25 4 5 × × 9 5 4 5 3 ×12× 18 4 60× 3 7 × 2 9 3 8 14 × × 4 7 15 3 2 × 5× 20 3 2 9 3 × × 3 5 10 5 9 4 × × 3 14 15 3 5 × ×36 25 9 2 2 × 7 5 9 5 40× × 25 24 35 × 7 3 × 12 × 18 4 25 11 9 × × 33 12 10 4 5 × 121