35×7637×76 5千克500克
450÷3540÷6 120÷424÷8
①5×(25+14)
②(80-15)÷5
③42÷3+56
④36+14×7
80×50= 150×6= 8.6-5= 9.5-0.3= 800÷9≈
0÷6= 4.2+3.5= 240÷8= 23×4= 193÷6≈
3.6×3.6 1.76÷0.171.76
-3.9-2.8 0.6×÷