1.
直接写得数。
(8-1)×5=
120×7= 16×(3-1)= | 57÷(20-1)=
| 100÷25= 35×4= | 60×30= 80÷10+20= | (25+15)×8= 180÷20÷9= | 55×5×2=
| 125×8= | 100÷25= 35×4= | 93+107= | 60×30= 80÷10+20= | 25×(3+4)= | (25+15)×8= 180÷20÷9= | 160-(80×2)= | 55×5×2=
| 0.12+5.6= | 6.34+1.66= 2.85-0.85= | 13-6.2-3.8= | 18.5-13.5+1= 2×3×6= | 57÷7-2= | 37+25-5= 7-2×2= | 24×4×11= | 114×6÷6=
| 700-100×5= | 300-50×6= 90×(4+6)= | 7×(4-4)×6= | 12×2+10= 12÷3+3×2= | (24-24)÷2= | 200-100÷4=
| 41+59-67= 78-400÷8= | 200-200÷2= 7×7-7= | 250÷(15+10)= 0÷4×7= | 38×3×0= (3+4)×8= | 100÷5+16=
| (2)960÷32= | (3)150+60= | (4)780×0= (5)250×4= | (6)29+81= | (7)230-80= | (8)120×30=
| (2)100÷ 50= | (3)25×42×4= | (4)0×0= (5)75÷3+16= | (6)14×(5+25)= | (7)32÷4+27= | (8)90 ÷15 = (9)230÷230= | (10)65÷5×4= | (11)0÷25= | (12)(45-5)÷8= (13)0.52+0.48= | (14)8-0.2= | (15)5.48-0.6= | (16)0.03×1000=
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