15.64﹣2.53﹣7.47 | 2.5×1.4×4 | 8.3×5.7+5.7×1.7 |
4.7+7.69+5.3+2.31 | 0.2×9.9+0.02 | 38×0.3﹣7.2 |
75×4= | 33×5×4= | 30+147+70= | 165﹣55+45= |
32×125= | 10×27+3= | 61×101= | 600÷12÷5= |
83﹣28﹣12= | 58﹣(28+15)= | 37×98= | 0÷25×4= |
29×28﹣9×28= | 4×99+4= | 50×2÷50×2= | 85+15﹣85+15= |
(1)98+165+302 | (2)265﹣172﹣28 |
(3)58×58+58×42 | (4)6000÷125÷8 |
(5)25×125×32 | (6)3874﹣(874+1000) |
(7)17×23﹣23×7 | (8)67+550÷(55﹣44) |