7511678-27=— ÷ — = — ÷ — = 665282-11=1721590-150=— - — = 85% + — = 77613×30=2211450÷30=— × — = — × — = 332259+0.9=660.15×0.1= 4 × — = 7 × — =557.8÷0.3= 1125.75-0.88=— + — = 7 + — = 7935+0.68=2115531-39=— ÷ — = — × — = 374621÷0.07=3971 ÷ 19 + 79 × 5 16%x - 23 = 53
9.8 + 2.9 + 0.2 + 7.1 25 × 32 × 0.125
8 : x = 8 : 5.1 5x + 0.5×8 = 8
( 1 — 5 9 2 + — + — )×64 4 8 1 — ÷ 42 + 2 — × 1 — 3 3 42 1 — × 2 — ÷ 1 — × 2 — 8 5 8 5 6 — : x = 1 — : 0.6 7 4 2 — + 4 — - 1 — + 1 — 3 5 3 5 25%x + 27 = 57 x - 9 — = 1 — 8 3 7 - 1 — + 3 — 4 4 10 — + 1 — + 1 — 9 3 9 8 — × 2 — × 9 — 9 7 8
7 1 1 11.1×0.2= — + — = — + — = 6 6 5 899-41= 19 4 1 680-110= — - — = 25% + — = 3 3 6 24+40= 7 1 1 1750÷50= — × — = — ÷ — = 8 5 2 431-0.8= 8 70.25×0.9= 9 × — = 6 ÷ — =9 87.8÷0.6= 10 4 61.38-0.94= — + — = 4 ÷ — = 9 3 59.5÷0.05= 4 1 5 11.2×0.3= — + — = — + — = 3 2 4 69.6-0.13= 1853 ÷ 17 + 25 × 2 25%x + 22 = 62
5.4 + 0.1 + 4.6 + 9.9 250 × 32 × 0.125
4 : x = 10 : 8 6x + 0.5×5 = 9.5
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