综合套题十
43.9 + 88 = 20 ÷ 1000 = 2.95 × 1000 =
8000 ÷ 50 = 68 +879 = 78.5 + 80.8 =
28.7 × 100 = 125 ×16 = 90 - 2.27 =
9.4 ÷ 100 = 430 - 40 = 4.1 - 2.5 =
2、简便计算
4.28 + 3.12 + 2.97 + 2.88 + 6.03




73000 ÷ (25 × 73 )




8 × ( 125 + 40 )




642 - (342 + 101 )




771 + 771 × 99




125 × (8 × 31 )




3、四则运算与灵活运用
98 × 748




25 × 76 × 125




3.7 + 4.37 - 5.9




1464 ÷ 84 × 28




435 - 585 ÷ (9 × 5)




994 + 55 × 8 - 240




5×[(283-31)÷9+398]




2.41 - 1.93 + 5.59




229 - ( 129 - 808 )