(1)7.4×9.8-14.5 (2)13.4+5.62+17.6+4.38 (3)6.73×4.8+5.2×6.73 (4)8.4÷0.6+8.4÷0.4
(1)7.4×9.8-14.5(2)13.4+5.62+17.6+4.38(3)6.73×4.8+5.2×6.73(4)8.4÷0.6+8.4÷0.4(5)(9.6+1....
(1)7.4×9.8-14.5 (2)13.4+5.62+17.6+4.38 (3)6.73×4.8+5.2×6.73 (4)8.4÷0.6+8.4÷0.4 (5)(9.6+1.48÷3.7)÷8 (6)5.8÷[4×(1.34-0.14)]
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(1)7.4×9.8-14.5 | (3)13.4+5.62+17.6+4.38 =(13.4+17.6)+(5.62+4.38) =31+10 =41 | (3)6.73×4.8+5.2×6.73 =6.73×(4.8+5.2) =6.73×10 =67.3 |
(4)8.4÷0.6+8.4÷0.4 =84÷6+84÷4 =14+21 =35 | (5)(9.6+1.48÷3.7)÷8 =9.6÷8+1.48÷3.7÷8 =1.2+0.05 =1.25 | (6)5.8÷[4×(1.34﹣0.14)] |
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