综合套题十
70 ÷ 1000 = 745 +57 = 3.2 - 1.7 =
8.18 × 1000 = 30 - 8.19 = 60 ×46 =
2.1 ÷ 1000 = 3000 ÷ 50 = 570 - 90 =
73.8 + 66.5 = 46.8 + 84 = 57.4 × 100 =
2、简便计算
72 × 25 × 4




232 + 457 + 168 + 382 + 143




1000 ÷ 25 ÷ 4




317 × 361 + 639 × 317




25 × ( 100 + 4 )




542 - (142 + 316 )




3、四则运算与灵活运用
7.95 - 6.81 + 5.95




370 - 1216 ÷ (19 × 16)




( 415 + 190 ) ÷ 5




125 × 98




28800 ÷ 800




6×[(302-78)÷8+139]




5.12 - 1.31 + 2.88




417 + 784 - 782




349 - 37 × 6 + 375