1.
直接写得数
(1)250×4=
(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=
| (2)7×8÷4= | (3)38+15-18 = (4)63-15+24= | (5)64÷8+3= | (6)84÷4+5= (7) 96 -15 +13= | (8)18×3÷6= | (9)(13+26)÷3= (10)(45-15)÷6= | (11) 77+25-23= | (12)18+3×21=
| (2)38-14+25= | (3)98÷(28+20)= (4)300-60×4= | (5)0÷32+64= | (6)98+50÷10= (7)120÷(18-15)= | (8)35-21÷7= |
| (2)200×35= | (3)72÷8+5= | (4)43 -15+16 = (5)560÷40= | (6)360 - 80 = | (7)76+15-48= | (8)42÷7+25= (9) 42÷3= | (10)400÷20= | (11)32÷4×5= | (12)100 - 15÷5= (13) 870-80= | (14)15×30= | (15)62 -12 +15= | (16)(60+12)÷9=
| (2)160÷16= | (3)23×5×4= | (4)236+64= (5)48-38= | (6)48÷48= | (7)45×6= | (8)125×8= (9)99×8+8= | (10)20×23= | (11)39+102= | (12)25×4= (13)5×19×2= | (14)125 +106= | (15)7×8÷8×7= | (16) 16×5=
| (2)25×18×4= | (3)22÷(1+1×10)= | (4)600-54-46= (5)96÷8= | (6)120÷5÷4= | (7)5×8+2÷2= | (8)38-(27-13)= (9)11×70= | (10)27÷3×8= | (11)46÷2-15= | (12)5×9-24÷8= (13)54×10= | (14)5×7-25÷5= | (15)36×2+15= | (16)150-(25×4+5)=
| (2)40×13= | (3)104÷13= | (4)25×4= (5)360+50= | (6)210÷21= | (7)17×5×2= | (8)630÷63=
| 172+28= 173-73= | 139+65+35=
| 8.69×0= | 7.3×0.9= | 0.75×2= 9.3+2.5×4= | 11.2+8.8= | 7-6.9= | 1.25×8= 3-1.7= | 10-2.5×3= | 5.2+0.48= | 10-0.98=
| 0.72+0.18= | 2-0.94= 1.38×100= | 800÷20= | 80-0.8= 9.4-2.6= | 73+227= | 1.54-0.5= 4×(25×7)= | 6×5÷3= | 23×4+27×4=
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