5116— ÷ — = — + — = 44471384 — + — = 20% + — =553 2116— × — = — ÷ — = 3597716 × — = 3 ÷ — = 831103— + — = 6 ÷ — = 3948869— ÷ — = — + — = 97583328 ÷ 16 + 18 × 6 2%x49.6+8=99+22= 700+430=23+60=960÷40=40-0.5=0.4×0.5=8.5÷0.1= 7.85-0.11=3-0.16=1.9-0.21=1.5×0.1=+ 18 = 49 6 + 5.7 + 4 + 4.3 0.25 × 3.2 × 1.252 : x = 5 : 7.9 9x + 0.5×9 = 9.5
( 1 — 6 7 2 + — + — )×60 5 6 1 — ÷ 14 + 2 — × 1 — 3 3 14 3 — × 4 — ÷ 3 — × 4 — 6 9 6 9 6 — : x = 1 — : 0.5 7 7 1 — + 2 — - 1 — + 1 — 2 3 2 3 10%x - 17 = 52 x - 5 — = 6 — 6 7 8 - 1 — - 4 — 5 5 8 — + 7 — + 1 — 7 6 7 7 — × 2 — × 8 — 8 19 7
7 5 1 213.2÷0.06= — ÷ — = — ÷ — = 8 8 8 375-11= 17 4 5 780+300= — - — = 40% + — = 5 5 4 28×40= 8 6 1 1780÷20= — ÷ — = — × — = 7 7 2 693-0.3= 7 10.9×0.9= 2 × — = 4 ÷ — =6 87.7÷0.7= 9 7 63.92-0.26= — × — = 9 - — = 8 8 51.4×0.2= 8 3 4 11.6×0.2= — ÷ — = — + — = 7 2 5 59+0.43= 1199 ÷ 11 + 93 × 9 32%x - 15 = 63
1 + 1.9 + 9 + 8.1 250 × 3.2 × 1.25
2 : x = 80 : 0.4 4x + 0.5×6 = 9.5
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