- 用简便方法计算。(1)2.77+4.9+1.23(2)24.96-6.7-2.3(3)4.86+5.8+5.14+2.2(4)13.95- (6.38+5.95)(5)23.77 -5.42+1...
- 脱式计算。(能简算的要简算)(1)(0.2+6.37÷0.7)×0.5(2)4.7×4.7+4.3×4.7(3)0.125×500×0.2×8(4)98.5-14.82÷7.6×3.1
- 计算下列各题。(能简算的要简算)(1)101×8.7(2)6.3+0.84+3.7+8.16(3)42×1.7-32×1.7(4)12×0.86+12×4.14
- 脱式计算。(能简算的要简算)(1)16.8-6.8×0.25(2)0.25×6.5×40(3)0.25×32×1.25(4)7.3×0.64+9.36(5)10.1×0.99(6)4...
- 脱式计算,能简算的要简算。(1)75.8-2.25-7.75(2)28.8+8.32-13.96(3)(8+0.8)×1.25(4)2.8×1.4+3.6×1.2
- 计算下面各题,能简算的要简算。(1)9.07×9.9+90.7×0.01(2)85.4×16-85.4×6(3)18÷1.5-0.5×0.3(4)2.6×0.25+(0.75-0.5)...
- 脱式计算,能简算的要简算。(1)99×0.1÷30(2)4.3-(0.6+2.4÷0.8)(3)0.18×4×0.5(4)7.5×0.12+0.88×7.5
- 脱式计算,能简算的要简算。(1)0.48÷1.6×0.23(2)1.54×0.58+0.58×2.46+0.58(3)2.5×0.8×12.5×4(4)(0.84+21.2)÷4×0.2
- 计算(0.96+0.96+0.96+0.96)×2.5时最简便的算法是[ ]A.0.96×2.5+0.96×2.5+0.96×2.5+0.96×2.5B.0.96×4×2.5C.0.96×(4×2.5)
- 计算下面各题(能简算的要简算)。(1)12.5×(6.2÷0.2)×0.8(2)26.7-0.5×0.5-0.75(3)5.8+6.8×0.5÷0.02-3.4(4)7.5-7.5×...
- 脱式计算(能简要的要简算)。(1)8.4×0.98+0.2×0.84(2)8.56+0.44×20÷32(3)0.8×(4-3.32)÷0.01(4)1.2×0.4+1.3×0.4
- 脱式计算。(能简算的要简算)(1)486-87-13(2)3045÷15-0.1(3)2.5×1.25×4(4)49.5×0.2-2.07÷23
- 选择合适的方法计算。(1)22.5×(7.8+8.2)(2)13.8-0.416-2.584(3)1.25×0.25×3.2(4)71.8×0.9+7.18(5)7.3×2.4-14×0.73
- 选择合适的方法计算。(1)22.5×(7.8+8.2)(2)13.8-0.416-2.584(3)1.25×0.25×3.2(4)71.8×0.9+7.18
- 脱式计算,能简算的要简算。4.8÷0.12÷479×1.25×0.832×5.1+51×6.810.1×69